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Power - Beam (NOT sweep) ·BeamPower

6159B

Improved 6159-family beam-power transmitting tube for RF communications service, providing compact moderate-power output with a 26.5 V heater.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
IO
Base pins
8
Nominal heater
26.5 V / 300 mA

Description

High-power-sensitivity beam-power transmitting tube with 26.5-V heater. Published RCA data include the applicable ratings, characteristics, operating conditions, and capacitances from the supplied sheet.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
IO
Base pins
8
Nominal heater voltage
26.5 V
Nominal heater current
300 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances
Transconductance
0.007 S
Amplification factor
4.5
Max plate voltage
750 V
Max screen voltage
250 V
Max plate dissipation
35 W
Max screen dissipation
3 W

Representative electrical section from supplied RCA data sheet.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Heater/filament voltage nominal

    26.5 V

    WholeTube

  • Heater/filament current

    300 mA

    WholeTube

  • RCA "DARK HEATER" WITH

    21 V

    Published source row

  • RCA "DARK HEATER" WITH (value 2)

    31 V

    Published source row

  • Voltage (AC or DC)

    26.5 V

    Published source row

  • Current at heater volts =

    26.5 V

    Published source row

  • Current at heater volts = (value 2)

    0.3 V

    Published source row

  • Minimum heating time

    60 s

    Published source row

Characteristic

  • Grid No

    1 pF

    Published source row

  • Grid No (value 2)

    0.24 pF

    Published source row

  • Voltage (AC or DC)v

    26.5 V

    Published source row

  • Current at

    26.5 V

    Published source row

  • Current at (value 2)

    0 V

    Published source row

  • Current at (value 3)

    28 V

    Published source row

  • Current at (value 4)

    0.32 V

    Published source row

  • Useful Power Output"

    59 W

    Published source row

  • ~ It is recommended that the design-center heater voltage be

    26.5 V

    Published source row

  • voltage oP

    26.5 V

    Published source row

  • voltage oP (value 2)

    600 V

    Published source row

  • voltage oP (value 3)

    2 V

    Published source row

  • voltage oP

    200 ohm

    Published source row

  • voltage oP (value 2)

    1 ohm

    Published source row

  • voltage oP (value 3)

    24 ohm

    Published source row

  • current oP

    15 mA

    Published source row

  • current oP (value 2)

    1 mA

    Published source row

  • current oP (value 3)

    2.5 mA

    Published source row

  • current oP (value 4)

    7 mA

    Published source row

  • frequency of

    15 MHz

    Published source row

  • Voltage (AC or CC)x —

    24 V

    Published source row

  • Voltage (AC or CC)x — (value 2)

    29 V

    Published source row

  • Current at

    26.5 V

    Published source row

  • Current at (value 2)

    0 V

    Published source row

  • Current at (value 3)

    28 V

    Published source row

  • Current at (value 4)

    0.32 V

    Published source row

  • Useful Power Output ly

    59 W

    Published source row

  • voltage of

    26.5 V

    Published source row

  • voltage of (value 2)

    600 V

    Published source row

  • voltage of (value 3)

    2 V

    Published source row

  • voltage of

    200 ohm

    Published source row

  • voltage of (value 2)

    24 ohm

    Published source row

  • voltage of (value 3)

    10 ohm

    Published source row

  • current of

    15 mA

    Published source row

  • current of (value 2)

    1 mA

    Published source row

  • current of (value 3)

    2.5 mA

    Published source row

  • current of (value 4)

    3 mA

    Published source row

  • frequency of

    15 MHz

    Published source row

  • z With conditions in note (y) above, reduce heater voltage to

    21 V

    Published source row

  • Useful power output will be at least

    90

    Published source row

  • voltage of

    26.5 V

    Published source row

  • sample lots of tubes with

    31

    Published source row

  • on the heater, a cycle of

    1 min

    Published source row

  • on the heater, a cycle of (value 2)

    4 min

    Published source row

  • After

    1000

    Published source row

  • Published electrical value

    48

    Published source row

  • With heater voltage of

    26.5 V

    Published source row

  • With heater voltage of (value 2)

    100 V

    Published source row

  • With ac or do heater voltage of

    26.5 V

    Published source row

  • With ac or do heater voltage of (value 2)

    1 V

    Published source row

  • grid—No

    1 Mohm

    Published source row

  • grid—No (value 2)

    10 Mohm

    Published source row

  • With ac or do heater voltage of

    26.5 V

    Published source row

  • With ac or do heater voltage of (value 2)

    200 V

    Published source row

  • and cathode grid No

    1

    Published source row

  • and cathode grid No (value 2)

    2

    Published source row

  • Cathode Warmup Time Minimum

    60 s

    RCA 6159B minimum heater warm-up time

Capacitance

  • Grid-to-plate capacitance

    - to 0.24 pF

    6159B grid No.1 to plate, maximum; without external shield